Finding the Fourth Proportional to 11,874,686.94, 16,387,099.74 and 6,442,178.94
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Solution
The fourth proportional to 11,874,686.94, 16,387,099.74 and 6,442,178.94 is: 8,890,224.17
Step by Step Solution
- Step 1: Write the proportion equation
11,874,686.94 : 16,387,099.74 = 6,442,178.94 : x - Step 2: Convert to fraction form
11,874,686.94/16,387,099.74 = 6,442,178.94/x - Step 3: Cross multiply
11,874,686.94x = 16,387,099.74 × 6,442,178.94 - Step 4: Simplify right side
11,874,686.94x = 105,568,628,832,707.48 - Step 5: Solve for x
x = 105,568,628,832,707.48/11,874,686.94 - Step 6: Final answer
x = 8,890,224.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.